MDM Trouble Report for 2012 Dec 22

Telescope: 2.4m
Observer(s): Haojing Yan & Zhiyuan Ma (University of Missouri-Columbia)
Instrument: TIFKAM

Problem(s) Encountered:
For twice we encountered a strange behaviour of the TCS: right
after clicking on 'Send Coords' at xtcs, the new coordinates
were sent to the TCS, however the telescope seemed moved to this
new position right away before clicking on 'Go'. The two positions
were 20 arcsec away. From the images that we took after this
happened, we can confirm that the telescope indeed moved. In one
occasion both observers were looking at the monitors, so this
cannot be an illusion.

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Submitted on 2012 Dec 23 [7:32:33]